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Finding the Third Proportional to 40,628 and 61,726

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Solution

The third proportional to 40,628 and 61,726 is: 93,780.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,628 : 61,726 = 61,726 : x
  2. Step 2: Convert to fraction form
    40,628/61,726 = 61,726/x
  3. Step 3: Cross multiply
    40,628x = 61,726 × 61,726
  4. Step 4: Simplify right side
    40,628x = 3,810,099,076
  5. Step 5: Solve for x
    x = 3,810,099,076/40,628
  6. Step 6: Final answer
    x = 93,780.13

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.